package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 动态条件查询购物车数据
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 修改购物车数量
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /**
     * 插入购物车数据
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart(name,user_id,image,dish_id,setmeal_id,dish_flavor,number,amount,create_time)"
    + "values(#{name},#{userId},#{image},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 清空购物车
     */
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void clean(Long userId);

    /**
     * 删除购物车中一个商品
     * @param id
     */
    @Delete("delete from shopping_cart where id = #{id}")
    void deleteById(Long id);

    /**
     *  将购物车对象批量添加到数据库
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
